From git at ginac.de  Tue Dec  1 23:31:38 2015
From: git at ginac.de (Richard B. Kreckel)
Date: Tue,  1 Dec 2015 23:31:38 +0100 (CET)
Subject: [GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic
	computations branch, c++11, updated. release_1-4-0-501-g65f2693
Message-ID: <20151201223139.3F3CD220AB3@cebix.net>

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      from  00d612ce3789ba9240ade1b8bf06b26c326bd8f2 (commit)

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commit 65f2693a0948d1db0bc68d7656c64e1fed91c158
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Mon Nov 30 23:06:53 2015 +0100

    Improve method of setting status_flags::dynallocated.
    
    There seems to be no way to obsolete the need to mark an object derived
    from basic and handled by ex as being 'on the heap', at least none that
    doesn't have significant performance impact. Having said that, this
    patch aims at making this process simpler and more intuitive.
    
    Where, before, one would return from a function returning an ex with
            return (new mul(a, b))->setflag(status_flags::dynallocated);
    this patch lets us return with
            return dynallocate<mul>(a, b);
    which should be much clearer. In any case, it involves less typing.
    
    The two points where the status_flags::dynallocated are set are now
      * the dynallocate<B>(args...) template function and
      * the virtual duplicate() member functions.
    
    This patch rolls out the new functionality throughout the library.

-----------------------------------------------------------------------

Summary of changes:
 check/exam_factor.cpp              |  2 +-
 check/exam_mod_gcd.cpp             |  2 +-
 ginac/add.cpp                      | 51 ++++++++------------
 ginac/basic.cpp                    |  4 +-
 ginac/basic.h                      | 34 ++++++++++++-
 ginac/clifford.cpp                 | 53 ++++++++++-----------
 ginac/color.cpp                    | 10 ++--
 ginac/ex.cpp                       | 25 ++--------
 ginac/expairseq.cpp                |  2 +-
 ginac/function.cppy                |  3 +-
 ginac/idx.cpp                      | 13 +++--
 ginac/indexed.cpp                  | 19 ++++----
 ginac/inifcns.cpp                  |  2 +-
 ginac/inifcns_trans.cpp            |  4 +-
 ginac/integral.cpp                 | 15 ++----
 ginac/matrix.cpp                   | 28 +++++------
 ginac/mul.cpp                      | 55 ++++++++++-----------
 ginac/ncmul.cpp                    | 41 +++++++---------
 ginac/normal.cpp                   | 83 ++++++++++++++++----------------
 ginac/numeric.cpp                  | 21 ++++----
 ginac/operators.cpp                |  8 ++--
 ginac/parser/parse_binop_rhs.cpp   | 14 +++---
 ginac/polynomial/collect_vargs.cpp |  4 +-
 ginac/polynomial/divide_in_z_p.cpp |  2 +-
 ginac/polynomial/euclid_gcd_wrap.h |  2 +-
 ginac/power.cpp                    | 86 ++++++++++++++-------------------
 ginac/power.h                      |  4 +-
 ginac/pseries.cpp                  | 30 +++++-------
 ginac/registrar.h                  |  7 ++-
 ginac/relational.cpp               |  4 +-
 ginac/symbol.h                     | 14 +++++-
 ginac/symmetry.cpp                 | 24 +++++-----
 ginac/tensor.cpp                   | 18 +++----
 ginac/utils.cpp                    | 98 +++++++++++++++++++-------------------
 34 files changed, 378 insertions(+), 404 deletions(-)


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From git at ginac.de  Wed Dec 16 21:34:54 2015
From: git at ginac.de (Richard B. Kreckel)
Date: Wed, 16 Dec 2015 21:34:54 +0100 (CET)
Subject: [GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic
	computations branch, c++11, updated. release_1-4-0-503-g6c946d4
Message-ID: <20151216203454.E44BA220A2E@cebix.net>

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       via  6c946d4c762f5a0d6a3b742f03556dd018d63886 (commit)
       via  ae6c004bd31e02dda37357d74b641c101b116c73 (commit)
      from  65f2693a0948d1db0bc68d7656c64e1fed91c158 (commit)

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commit 6c946d4c762f5a0d6a3b742f03556dd018d63886
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Wed Dec 16 21:22:36 2015 +0100

    Make .eval() evaluate top-level only.
    
    With the previous patch, some old workarounds have become unnecessary:
    If all expressions are evaluated, any object which is an aggregate of
    expressions will only ever have to evaluate the top level. As such, it
    has become pointless to evaluate child objects of an expression prior
    to doing its own term-rewriting. This patch removes the evaluation of
    children from all GiNaC objects. It also removes the now superfluous
    parameter 'level' of the eval methods.

commit ae6c004bd31e02dda37357d74b641c101b116c73
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Wed Dec 16 13:00:30 2015 +0100

    Make add::eval(), mul::eval() work without compromise.
    
    If a user asks to evaluate an object, the expectation is that the
    library returns an evaluated, canonical expression. Everything else is
    a bug. (It doesn't matter whether the user asks explicitly or by
    assigning to an ex.) It turns out that it was possible to construct
    objects which didn't fully evaluate. This patch fixes this by making
    eval() a little bit more careful.
    
    This obsoletes the need to go through combine_ex_with_coeff_to_pair()
    when constructing an epvector that is then used to construct an add
    or mul. (Alas, this was omitted frequently enough...)

-----------------------------------------------------------------------

Summary of changes:
 check/exam_inifcns_nstdsums.cpp |   2 +-
 check/exam_paranoia.cpp         |  64 ++++++++++++------------
 check/exam_structure.cpp        |   2 +-
 doc/tutorial/ginac.texi         |  50 +++++++++----------
 ginac/add.cpp                   |  33 ++++++-------
 ginac/add.h                     |   2 +-
 ginac/basic.cpp                 |   2 +-
 ginac/basic.h                   |   2 +-
 ginac/container.h               |  32 ------------
 ginac/ex.cpp                    |   2 +-
 ginac/ex.h                      |   6 +--
 ginac/expairseq.cpp             |  78 ++++++++++++-----------------
 ginac/expairseq.h               |   4 +-
 ginac/factor.cpp                |   2 -
 ginac/fderivative.cpp           |   7 +--
 ginac/fderivative.h             |   2 +-
 ginac/function.cppy             |   7 ++-
 ginac/function.hppy             |   2 +-
 ginac/indexed.cpp               |   6 +--
 ginac/indexed.h                 |   2 +-
 ginac/inifcns_nstdsums.cpp      |   2 +-
 ginac/integral.cpp              |  22 +++------
 ginac/integral.h                |   2 +-
 ginac/matrix.cpp                |  21 --------
 ginac/matrix.h                  |   4 --
 ginac/mul.cpp                   |  33 ++++++++-----
 ginac/mul.h                     |   2 +-
 ginac/ncmul.cpp                 |  17 +++----
 ginac/ncmul.h                   |   2 +-
 ginac/normal.cpp                |   8 +--
 ginac/numeric.cpp               |   4 +-
 ginac/numeric.h                 |   2 +-
 ginac/power.cpp                 | 107 ++++++++++++++++++----------------------
 ginac/power.h                   |   2 +-
 ginac/pseries.cpp               |  12 ++---
 ginac/pseries.h                 |   2 +-
 ginac/relational.cpp            |  11 -----
 ginac/relational.h              |   1 -
 ginac/structure.h               |   2 +-
 ginac/symbol.h                  |   2 +-
 ginsh/ginsh_parser.ypp          |  13 +----
 41 files changed, 225 insertions(+), 353 deletions(-)


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From git at ginac.de  Wed Dec 16 22:17:49 2015
From: git at ginac.de (Richard B. Kreckel)
Date: Wed, 16 Dec 2015 22:17:49 +0100 (CET)
Subject: [GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic
	computations branch, c++11, updated. release_1-4-0-504-g82df718
Message-ID: <20151216211749.E55EE220A91@cebix.net>

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The branch, c++11 has been updated
       via  82df718524319471d3a92fb051329aa8cd529c22 (commit)
      from  6c946d4c762f5a0d6a3b742f03556dd018d63886 (commit)

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commit 82df718524319471d3a92fb051329aa8cd529c22
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Wed Dec 16 22:02:25 2015 +0100

    Merge some cosmetic patches.
    
    This is a collection of some minor optimizations and indentation fixes.

-----------------------------------------------------------------------

Summary of changes:
 INSTALL                            |  4 +-
 doc/CodingStyle                    |  2 +-
 ginac/color.cpp                    |  8 +---
 ginac/expairseq.cpp                |  7 +---
 ginac/expairseq.h                  |  6 +--
 ginac/factor.cpp                   | 85 ++++++++++++++------------------------
 ginac/function.cppy                |  4 +-
 ginac/inifcns.cpp                  |  4 +-
 ginac/inifcns_trans.cpp            |  8 +---
 ginac/mul.cpp                      | 44 ++++++++++----------
 ginac/normal.cpp                   | 74 ++++++++++++++++-----------------
 ginac/operators.cpp                | 16 +++----
 ginac/polynomial/collect_vargs.cpp |  2 +-
 ginac/power.cpp                    | 53 +++++++++++-------------
 ginac/pseries.cpp                  | 19 ++++-----
 15 files changed, 149 insertions(+), 187 deletions(-)


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GiNaC -- a C++ library for symbolic computations


From jrheinlaender at gmx.de  Thu Dec 17 18:01:20 2015
From: jrheinlaender at gmx.de (=?UTF-8?Q?Jan_Rheinl=c3=a4nder?=)
Date: Thu, 17 Dec 2015 18:01:20 +0100
Subject: [GiNaC-devel] MSVC 18
Message-ID: <5672EA60.9020208@gmx.de>

Hi,

I successfully compiled GiNaC (and CLN) with MSVC 18.00.31101 (Visual
Studio 2013). All the tests passed, but I had to patch two files:

check/exam_cra.cpp
ginac/polynomial/mod_gcd.cpp

Both of these files require

#include <algorithm>

otherwise there is an error about 'min' not being a member of namespace std.

Jan



From git at ginac.de  Thu Dec 17 23:08:42 2015
From: git at ginac.de (Richard B. Kreckel)
Date: Thu, 17 Dec 2015 23:08:42 +0100 (CET)
Subject: [GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic
	computations branch, master, updated. release_1-4-0-473-ge0a84a3
Message-ID: <20151217220842.9D4E3220BBF@cebix.net>

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The branch, master has been updated
       via  e0a84a395ab1bf84813eea95fde9c8a361dae9bc (commit)
       via  83b067d5b1a232b56039f227a9445cea3dd3225a (commit)
      from  2639812c0ba4e1f9620660bbba1f12bf5b865e29 (commit)

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commit e0a84a395ab1bf84813eea95fde9c8a361dae9bc
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Thu Dec 17 22:57:04 2015 +0100

    include <algorithm> for use of std::min().
    
    Thanks to Jan Rheinl??nder for reporting this.
    
    Cherry-picked from a56196f3.

commit 83b067d5b1a232b56039f227a9445cea3dd3225a
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Thu Dec 17 22:30:13 2015 +0100

    [bugfix] Make sure add::eval() collects all numeric terms *correctly*.
    
    This fixes a bug introduced with in 2010 with 89d5356b.

-----------------------------------------------------------------------

Summary of changes:
 check/exam_cra.cpp           |  1 +
 check/exam_paranoia.cpp      | 20 +++++++++++++++-----
 ginac/add.cpp                |  4 ++--
 ginac/polynomial/mod_gcd.cpp |  1 +
 4 files changed, 19 insertions(+), 7 deletions(-)


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From git at ginac.de  Thu Dec 17 23:10:57 2015
From: git at ginac.de (Richard B. Kreckel)
Date: Thu, 17 Dec 2015 23:10:57 +0100 (CET)
Subject: [GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic
	computations branch, c++11, updated. release_1-4-0-507-ga56196f
Message-ID: <20151217221057.9F4EA220BC1@cebix.net>

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       via  a56196f3830a5a467d79b6d7009598e7f05ba7d3 (commit)
       via  da3cc1d79533680f0722be73abe95aedcac96b72 (commit)
       via  6eb7dee7ea9e83d3e0599aec9ab7c6084a47b71c (commit)
      from  82df718524319471d3a92fb051329aa8cd529c22 (commit)

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- Log -----------------------------------------------------------------
commit a56196f3830a5a467d79b6d7009598e7f05ba7d3
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Thu Dec 17 22:57:04 2015 +0100

    include <algorithm> for use of std::min().
    
    Thanks to Jan Rheinl??nder for reporting this.

commit da3cc1d79533680f0722be73abe95aedcac96b72
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Thu Dec 17 22:45:50 2015 +0100

    Remove useless code in add::eval().
    
    With commit ae6c004b, we have actually a more rigorous solution for the
    bug fixed first (and wrongly) on September 23 2010 with commit 89d5356b.
    This patch removes the now useless code and adds the new regression check
    from master, just in case.

commit 6eb7dee7ea9e83d3e0599aec9ab7c6084a47b71c
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Thu Dec 17 09:32:15 2015 +0100

    Add rvalue reference ctors from epvectors for add, mul.

-----------------------------------------------------------------------

Summary of changes:
 check/exam_cra.cpp           |  1 +
 check/exam_paranoia.cpp      | 20 +++++++++++++++-----
 ginac/add.cpp                | 33 ++++++++++-----------------------
 ginac/add.h                  |  3 ++-
 ginac/mul.cpp                |  7 +++++++
 ginac/mul.h                  |  1 +
 ginac/polynomial/mod_gcd.cpp |  1 +
 7 files changed, 37 insertions(+), 29 deletions(-)


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From git at ginac.de  Sun Dec 20 17:54:29 2015
From: git at ginac.de (Richard B. Kreckel)
Date: Sun, 20 Dec 2015 17:54:29 +0100 (CET)
Subject: [GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic
	computations branch, c++11, updated. release_1-4-0-512-g640c898
Message-ID: <20151220165429.B083A220917@cebix.net>

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The branch, c++11 has been updated
       via  640c8980ed3f00e985ffb4810b3c75a9b8106ba9 (commit)
       via  f8b3c08fd7a5aabe7471c4dfb635d134ee4d8ef3 (commit)
       via  17cb07800bff4b032976f3ac93ef70f2fc0a85a6 (commit)
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commit 640c8980ed3f00e985ffb4810b3c75a9b8106ba9
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Sun Dec 20 17:50:07 2015 +0100

    Hoist typeid(*this) from loops.
    
    The compilers don't seem to reliably recognize the invariance of this.

commit f8b3c08fd7a5aabe7471c4dfb635d134ee4d8ef3
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Sun Dec 20 17:30:34 2015 +0100

    Remove iter_swap specializations.
    
    It's a myth that iter_swap helps the compiler produce better code.
    Let's just use specialized swap instead.

commit 17cb07800bff4b032976f3ac93ef70f2fc0a85a6
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Sun Dec 20 04:44:01 2015 +0100

    Add support for power::info(info_flags::real).
    
    (And, while at it, clean up the surrounding code a bit.)

commit 47295e1e73d54bf6cf8953ecc0ce2a848c1fb5b3
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Sun Dec 20 04:36:42 2015 +0100

    Remove info_flags::algebraic.
    
    It doesn't work, never has, and it is quire unclear how to fix it.

commit f4bae27a4390712315e0317fd9e954299341933d
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Fri Dec 18 00:06:31 2015 +0100

    Remove expairseq::construct_from_2_ex_via_exvector() member function.
    
    This function is much slower than the optimized construct_from_2_ex()
    member function, which explains why it wasn't used.

-----------------------------------------------------------------------

Summary of changes:
 doc/tutorial/ginac.texi |  2 --
 ginac/add.cpp           |  9 ---------
 ginac/ex.h              | 14 --------------
 ginac/expair.h          |  4 ----
 ginac/expairseq.cpp     | 27 ++++++++++++---------------
 ginac/expairseq.h       |  1 -
 ginac/flags.h           |  1 -
 ginac/inifcns.cpp       |  1 -
 ginac/mul.cpp           |  7 -------
 ginac/numeric.cpp       |  2 --
 ginac/power.cpp         | 13 +++++--------
 ginac/utils.h           |  5 +++--
 12 files changed, 20 insertions(+), 66 deletions(-)


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GiNaC -- a C++ library for symbolic computations


From git at ginac.de  Wed Dec 23 07:48:11 2015
From: git at ginac.de (Richard B. Kreckel)
Date: Wed, 23 Dec 2015 07:48:11 +0100 (CET)
Subject: [GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic
	computations tag, ginac_1-6-6, created. release_1-4-0-475-g2c39a40
Message-ID: <20151223064811.C0704220B4C@cebix.net>

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The tag, ginac_1-6-6 has been created
        at  2c39a401375896bc2a9ee99e65f37d590682bfb1 (commit)

- Log -----------------------------------------------------------------
commit 2c39a401375896bc2a9ee99e65f37d590682bfb1
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Sun Dec 20 21:29:55 2015 +0100

    Finalize 1.6.6 release.
-----------------------------------------------------------------------


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From git at ginac.de  Wed Dec 23 07:48:55 2015
From: git at ginac.de (Richard B. Kreckel)
Date: Wed, 23 Dec 2015 07:48:55 +0100 (CET)
Subject: [GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic
	computations branch, master, updated. release_1-4-0-475-g2c39a40
Message-ID: <20151223064855.C336B220B50@cebix.net>

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The branch, master has been updated
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       via  7df5dc0757b89a25b96d9d56a0671ba99f468e40 (commit)
      from  e0a84a395ab1bf84813eea95fde9c8a361dae9bc (commit)

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commit 2c39a401375896bc2a9ee99e65f37d590682bfb1
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Sun Dec 20 21:29:55 2015 +0100

    Finalize 1.6.6 release.

commit 7df5dc0757b89a25b96d9d56a0671ba99f468e40
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Sun Dec 20 17:56:09 2015 +0100

    Remove reference to ftpthep.physik.uni-mainz.de.
    
    Higgs is down, alas...

-----------------------------------------------------------------------

Summary of changes:
 GiNaC.spec.in           | 2 +-
 INSTALL                 | 2 +-
 NEWS                    | 4 ++++
 README                  | 3 ---
 doc/tutorial/ginac.texi | 8 ++++----
 ginac/version.h         | 4 ++--
 6 files changed, 12 insertions(+), 11 deletions(-)


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GiNaC -- a C++ library for symbolic computations


From git at ginac.de  Wed Dec 23 08:45:31 2015
From: git at ginac.de (Richard B. Kreckel)
Date: Wed, 23 Dec 2015 08:45:31 +0100 (CET)
Subject: [GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic
	computations branch, c++11, updated. release_1-4-0-513-g94719f5
Message-ID: <20151223074531.D7942220C2F@cebix.net>

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       via  94719f5adbfa69fed0023284811da9d749ddf9f1 (commit)
      from  640c8980ed3f00e985ffb4810b3c75a9b8106ba9 (commit)

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- Log -----------------------------------------------------------------
commit 94719f5adbfa69fed0023284811da9d749ddf9f1
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Sun Dec 20 17:56:09 2015 +0100

    Remove reference to ftpthep.physik.uni-mainz.de.
    
    Higgs is down, alas...

-----------------------------------------------------------------------

Summary of changes:
 GiNaC.spec.in           | 2 +-
 INSTALL                 | 2 +-
 README                  | 3 ---
 doc/tutorial/ginac.texi | 8 ++++----
 4 files changed, 6 insertions(+), 9 deletions(-)


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From kisilv at maths.leeds.ac.uk  Thu Dec 24 14:34:53 2015
From: kisilv at maths.leeds.ac.uk (Vladimir V. Kisil)
Date: Thu, 24 Dec 2015 13:34:53 +0000
Subject: [GiNaC-devel] Two micro patches
Message-ID: <17549.1450964093@math-pc2069.leeds.ac.uk>

	Dear Richard,

	It is nice to see that GiNaC received a serious revision. It also
  inspires some further contributions: I am attaching two small patches.

  All the best season wishes,
  Vladimir
-- 
Vladimir V. Kisil                 http://www.maths.leeds.ac.uk/~kisilv/
  Book:     Geometry of Mobius Transformations     http://goo.gl/EaG2Vu
  Software: Geometry of cycles          http://moebinv.sourceforge.net/
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From kreckel at in.terlu.de  Thu Dec 31 16:33:45 2015
From: kreckel at in.terlu.de (Richard B. Kreckel)
Date: Thu, 31 Dec 2015 16:33:45 +0100
Subject: [GiNaC-devel] Release 1.6.6, etc...
Message-ID: <56854AD9.6030602@in.terlu.de>

Hi!

GiNaC release 1.6.6 is out and available. These are the changes:
* Fix elusive bug in add::eval().
* Several minor performance enhancements.

So far for the master branch...

In an attempt to curb down the number of warnings when GiNaC is compiled
with a C++11 compiler, I created the c++11 branch. It turns out that the
new language revision offers solutions for some of the problems for
which awkward workarounds had to be introduced previously. As a result,
the code on the c++11 branch has started to diverge from that on the
master branch. It is not compatible to C++89 / C++03.

I intend to merge the c++11 branch back to the master branch somewhen in
2016 and release that as a new major version. (BTW, GCC 6 is supposed to
be released in 2016 and will use C++14 by default.) Until then, it is
probably pointless to commit anything than a real bugfix to the master
branch (which might then be released as version 1.6.7). Any other
patches are very welcome, but they should be based on the c++11 branch,
please.

Nuff said. Back to hacking...
   -richard.